小车

If a particle is moving accelerated, the sum of the inertial reactions of the particle to the objects which force it to produce the accelerated motion is called the inertial force of the particle.

力 是由于小车具有惯性，力图保持原来的运动状态，对于施力物体产生的反抗力。称为小车的惯性力。

To study the taxiing-induced dynamic response of the aircraft with multiple wheels and multiple landing gears due to runway unevenness, base on several reasonable and necessary assumptions, the mathematical model of aircraft in taxiing is established using the d'alembert's principle. It can simulate taxiing inpact properties accurately, it considers in detail the vertical and horizontal motion and pitching about its center of gravity and the significant symmetric elastic modes.

在一些必要合理的假设下，利用达朗贝尔原理，建立了多轮多支柱式及小车式起落架飞机地面滑跑动态响应分析的全机模型，考虑全机沉浮、机体弹性和定常气动力的影响，起落架支柱的弹性变形，小车式起落架的车架的俯仰运动以及弹性变形，对等速滑跑飞机建立了全机运动的微分方程，并以旧金山28-R跑道为地面输入，利用时域积分的方法得到飞机滑跑的各种响应。

DHK electric chain hoist can use a fixed suspension, but also with electric monorail trolley and push / Geared trolley travel use.

DHK环链电动葫芦既可固定悬挂使用，又可配电动单轨小车及手推/手拉单轨小车行走使用。

In another way, because the weight of container is more and the speed of container is faster, especially, the new high efficiency Double Trolley Container Crane made, the Dynamic Response causing by start and brake of container or trolley or gantry is weightily influence to Container Cranes structure design.

因此随着吊重越来越重，吊重的起升和小车的运行速度越来越快，特别是采用两部小车的高效率的双小车岸桥。

This paper introduces the operating principle of case palletize,analyzes the kinematic characteristics of sliding machine ,builds the kinematic equations of sliding machine By calculating,the kinematic locus was got,so,it provides theoretical basis for the developing of case palletiz

本文介绍了码箱垛机的工作原理，分析了其滑动小车的运动特性，建立了滑动小车的运动方程，通过计算得到了滑动小车的运动轨迹，为今后码箱垛机的技术改造和开发提供了理论依

In the design of the road test, a reflectional infrared sensors is used to detect the black line on the road to judge the trolley's position; on trolley's speed controlling, the control system uses PWM technology to control the rotational speed of electric motors, and complete the speed real-time control to electric cars in d

在路面检测设计中，小车采用反射式红外传感器来检测其行驶路面上的黑线，以判断小车行驶的位置；在控制小车行驶速度上，系统利用PWM技术控制电动机的转速，通过程序完成对电动小汽车在不同路段的行驶速度实时控制；最后采用双电源供电，用以保证系统的运行更加稳定，可靠。

It is studied that the responses of overhead crane when the trolly is running. The simulation of lifting load process, location of the trolly and stresses of structure by computer are discussed and after verified by the experiments, we have got distribution function of stresses in stucture of overhead crane under different load states and distribution functions of location of the trolly.

研究了小车运行时桥式起重机的动态响应，讨论了起重机吊重载荷过程、小车位移及桥式起重机主梁结构应力的计算机仿真，在得到实测数据的验证之后，通过计算机仿真得出不同载荷状态及不同小车位移分布下桥吊主梁结构应力的分布规律。

In the car movement control, this design uses a branch electrical machinery to control the car the advance and the backlash, step-by-steps the electrical machinery to control the car counterclockwise and the right-turn.

在小车的运动控制中，本设计采用一个支流电机控制小车的前进和后退，一个步进电机控制小车的左转和右转。

One trolley runs along the rear nose upper chord, supporting the truss, while the second trolley runs un the "horn" of the suspension gallow, allowing the lateral shifting of the structure.

后支撑小车由2套由销栓连接的小车组成，一台小车在后鼻梁上珩架上行走，支撑珩架，另一台在吊架牛角上行走，以便结构横向移动。

To solve the demerits of traditional open bunkering equipment, e.g. heavy dusty, severe belt tear, and expensive imported control system, etc., aiming at the features and technical requirements of hardware of imported unloading trippers, as well as the practical situation of power plant, the hardware and software of the control system for unloading trippers are designed reasonably to make it merged in a whole with the coal handling system.

为了解决传统敞开式加仓设备的粉尘大、对皮带磨损严重以及进口卸料小车控制系统价格昂贵等缺点，针对进口卸料小车的硬件特点、工艺要求和电厂现场实际情况，对卸料小车控制系统的软硬件进行了合理的设计，使其与整个输煤程控系统融为一体。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。